NVACS: Operations and Algebraic Thinking (4.OA.1.2.)
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NVACS: Operations and Algebraic Thinking (4.OA.1.2.)
Multiplication, Word Problems, Models
Practice for 4th Grade Multiplicative Reasoning To introduce the idea of multiplicative reasoning you begin by having students model with cubes.
______x ______= ______cubes in each tower number of towers cubes total
Draw a model and write an equation for the following: a) 3 times as many as 9 is 27. b) 40 is 4 times as many as 10. c) 21 is 3 times as many as 7.
Draw a Model and Write an Equation for Each Problem. a) b) c)
Write equations for the following:
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NVACS: Operations and Algebraic Thinking (4.OA.1.2.)
Multiplication, Word Problems, Models
Practice for 4th Grade a) 3 times as many as 4 is 12. b) Twice as many as 6 is 12. c) 32 is 4 times as many as 8.
Write an Equation for Each Problem. a) b) c)
Write comparison sentences for the following: a) 3 x 7=21 b) 8 x 3 = 24 c) 5 x 4 = 20 ____ times as many as _____ is _____
Write a comparison sentence for each problem. a) b) c)
Write comparison sentences for the following: a) 45 = 9 x 5 b) 24 = 6 x 4 c) 18 = 2 x 9
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NVACS: Operations and Algebraic Thinking (4.OA.1.2.)
Multiplication, Word Problems, Models
Practice for 4th Grade ___ is ___ times as many as ___.
Write a comparison sentence for each problem. a) b) c)
Draw a model and write an equation for the following: a) 18 is 3 times as many as 6. b) 20 is 5 times as many as 4. c) 80 is 4 times as many as 20. Draw a Model and Write an Equation for Each Problem. a) b) c)
Write equations for the following: a) 5 times as many as 8 is 40. b) Twice as many as 12 is 24.
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NVACS: Operations and Algebraic Thinking (4.OA.1.2.)
Multiplication, Word Problems, Models
Practice for 4th Grade c) 4 times as many as 9 is 36. Write an equation for each problem. a) b) c)
Write comparison sentences for the following:
a) 3 x 7=21
b) 8 x 3 = 24
c) 5 x 4 = 20
____ times as many as _____ is _____.
Write a comparison sentence for each problem. a) b) c) How do you know that the statement “6 is 3 times as many as 2” is a comparison involving multiplication?
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NVACS: Operations and Algebraic Thinking (4.OA.1.2.)
Multiplication, Word Problems, Models
Practice for 4th Grade
How are the equations for, 4 is 2 more than 2, and 4 is 2 times as many as 2, different? Write an equation for each statement and explain your thinking using math vocabulary.
Draw models to represent 21 = 7 x 3 and 21 = 3 x 7. How are the models alike? How are they different?
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NVACS: Operations and Algebraic Thinking (4.OA.1.2.)
Multiplication, Word Problems, Models
Practice for 4th Grade
Write comparison sentences for the following: a) 14 = 3 x 5 b) 42 = 6 x 7 c) 20 = 2 x 10
___ is ___ times as many as ___.
Write a comparison sentence for each problem. a) b) c) Write comparison sentences for the following: a) 45 = 9 x 5 b) 24 = 6 x 4 c) 18 = 2 x 9
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NVACS: Operations and Algebraic Thinking (4.OA.1.2.)
Multiplication, Word Problems, Models
Practice for 4th Grade
___ is ___ times as many as ___.
Write a comparison sentence for each problem. a) b) c)
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